<template>
    <div class="dv-border-box-6" ref="dom">
        <svg class="dv-border-svg-container" :width="width" :height="height">
            <polygon fill="transparent" :points="`
          9, 7 ${width - 9}, 7 ${width - 9}, ${height - 7} 9, ${height - 7}
        `" />

            <circle :fill="mergedColor[1]" cx="5" cy="5" r="2" />
            <circle :fill="mergedColor[1]" :cx="width - 5" cy="5" r="2" />
            <circle :fill="mergedColor[1]" :cx="width - 5" :cy="height - 5" r="2" />
            <circle :fill="mergedColor[1]" cx="5" :cy="height - 5" r="2" />
            <polyline :stroke="mergedColor[0]" :points="`10, 4 ${width - 10}, 4`" />
            <polyline :stroke="mergedColor[0]" :points="`10, ${height - 4} ${width - 10}, ${height - 4}`" />
            <polyline :stroke="mergedColor[0]" :points="`5, 70 5, ${height - 70}`" />
            <polyline :stroke="mergedColor[0]" :points="`${width - 5}, 70 ${width - 5}, ${height - 70}`" />
            <polyline :stroke="mergedColor[0]" :points="`3, 10, 3, 50`" />
            <polyline :stroke="mergedColor[0]" :points="`7, 30 7, 80`" />
            <polyline :stroke="mergedColor[0]" :points="`${width - 3}, 10 ${width - 3}, 50`" />
            <polyline :stroke="mergedColor[0]" :points="`${width - 7}, 30 ${width - 7}, 80`" />
            <polyline :stroke="mergedColor[0]" :points="`3, ${height - 10} 3, ${height - 50}`" />
            <polyline :stroke="mergedColor[0]" :points="`7, ${height - 30} 7, ${height - 80}`" />
            <polyline :stroke="mergedColor[0]" :points="`${width - 3}, ${height - 10} ${width - 3}, ${height - 50}`" />
            <polyline :stroke="mergedColor[0]" :points="`${width - 7}, ${height - 30} ${width - 7}, ${height - 80}`" />
        </svg>

        <div class="border-box-content">
            <slot></slot>
        </div>
    </div>
</template>

<script setup lang="ts">
import { nextTick, onMounted, ref, shallowRef } from 'vue';

const dom = shallowRef()
const width = ref(0)
const height = ref(0)

const mergedColor = ['rgb(64, 240, 255)', 'rgba(128,128,128,0.3)']


onMounted(() => {
    nextTick(() => {
        width.value = dom.value.clientWidth 
        height.value = dom.value.clientHeight
    })
})
</script>

<style lang="less" scoped>
.dv-border-box-6 {
    position: relative;
    width: 100%;
    height: 100%;

    .dv-border-svg-container {
        position: absolute;
        top: 0px;
        left: 0px;
        width: 100%;
        height: 100%;

        &>polyline {
            fill: none;
            stroke-width: 1;
        }
    }

    .border-box-content {
        position: relative;
        width: 100%;
        height: 100%;
    }
}
</style>